Installing and Upgrading the Software

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Caution - Oracle VM Server for SPARC-based Power Management (PM) is disabled by default in the Oracle VM Server for SPARC 3.6 software. If you do not plan to override this new default, ensure that your resources are not left in a lower power state than you want. Perform the following steps before you upgrade to the Oracle VM Server for SPARC software:

Disable Service Processor power management, also known as the platform policy. Run the following ILOM command as an administrative user:
```
--> set /SP/powermgmt/ policy=disabled
```
Set the PM administrative control to platform on the control domain as superuser:
```
primary# poweradm set active_control/administrative-authority=platform
```

Initially, a SPARC platform appears as a single system hosting only one operating system. After the Oracle Solaris OS, system firmware, and Logical Domains Manager have been installed, the original system and instance of the Oracle Solaris OS become the control domain. That first domain of the platform is named primary, and you cannot change that name or destroy that domain. From there, the platform can be reconfigured with multiple domains hosting different instances of the Oracle Solaris OS.

Note - The version of the Oracle Solaris OS software that runs on a guest domain is independent of the Oracle Solaris OS version that runs on the primary domain. So, if you run the Oracle Solaris 11.4 OS or the Oracle Solaris 11 OS in the primary domain, you can still run the Oracle Solaris 10 OS in any of the guest domains.

The Oracle VM Server for SPARC 3.6 software is installed and enabled by default when you install the Oracle Solaris 11.4 OS.

If your system is already installed with the Oracle VM Server for SPARC software, save the configuration for your current system. Perform this step before you install or upgrade to the Oracle VM Server for SPARC 3.6 software.

If the control domain is installed with the Oracle Solaris 10 OS, you must install the Oracle Solaris 11.4 OS. See Installing the Oracle Solaris OS.
If the control domain is installed with an older version of the Oracle Solaris 11 OS, you must perform a fresh installation of the Oracle Solaris 11.4 OS. See Upgrading the Oracle Solaris OS.